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Cheap flights from Washington, D.C. Reagan-National Airport to Copenhagen from $341

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Copenhagen departing on 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Copenhagen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:00 am - 2:10 pm
DCA
-
CPH
26h 10m
2 stops
Air Canada Logo
6:00 am - 9:55 pm
CPH
-
DCA
21h 55m
2 stops
$735Air Canada
Mon, May 11 - Wed, May 13
United Airlines Logo
11:00 am - 10:50 am
DCA
-
CPH
17h 50m
1 stop
United Airlines Logo
12:15 pm - 7:48 pm
CPH
-
DCA
37h 33m
2 stops
$746United Airlines
Wed, Aug 19 - Mon, Aug 24
United Airlines Logo
1:00 pm - 11:55 am
DCA
-
CPH
16h 55m
2 stops
United Airlines Logo
12:15 pm - 7:48 pm
CPH
-
DCA
37h 33m
2 stops
$750United Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
12:40 pm - 10:50 am
DCA
-
CPH
16h 10m
2 stops
Multiple Airlines Logo
1:55 pm - 10:57 pm
CPH
-
DCA
15h 02m
2 stops
$752Multiple Airlines
Mon, Oct 12 - Mon, Oct 19
Multiple Airlines Logo
11:00 am - 10:50 am
DCA
-
CPH
17h 50m
1 stop
Multiple Airlines Logo
1:55 pm - 10:57 pm
CPH
-
DCA
15h 02m
2 stops
$753Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
4:20 pm - 8:55 am
DCA
-
CPH
10h 35m
1 stop
United Airlines Logo
12:15 pm - 9:48 pm
CPH
-
DCA
15h 33m
1 stop
$754United Airlines
Sun, Aug 9 - Wed, Aug 19
Air Canada Logo
12:40 pm - 8:55 am
DCA
-
CPH
38h 15m
2 stops
Air Canada Logo
12:15 pm - 12:00 pm
CPH
-
DCA
29h 45m
2 stops
$755Air Canada
Sat, Aug 8 - Sat, Aug 22
Scandinavian Airlines Logo
6:09 am - 7:00 am
DCA
-
CPH
18h 51m
2 stops
Scandinavian Airlines Logo
2:20 pm - 11:21 pm
CPH
-
DCA
15h 01m
1 stop
$756Scandinavian Airlines
Wed, Jun 3 - Wed, Jun 10
United Airlines Logo
11:00 am - 10:50 am
DCA
-
CPH
17h 50m
1 stop
United Airlines Logo
12:15 pm - 9:48 pm
CPH
-
DCA
15h 33m
1 stop
$759United Airlines
Mon, Aug 10 - Fri, Aug 21
Air Canada Logo
6:59 am - 10:50 am
DCA
-
CPH
21h 51m
1 stop
Air Canada Logo
12:15 pm - 12:00 pm
CPH
-
DCA
29h 45m
2 stops
$760Air Canada
Sat, Aug 8 - Sat, Aug 22

United Airlines flights from Washington, D.C. Reagan-National Airport to Copenhagen

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Copenhagen flight tickets
United Airlines
Aug 19
DCA11:00 amWashington, D.C. Reagan-National
17h 50m
1 stop
CPH10:50 amKastrup Copenhagen
Aug 24
CPH12:15 pmKastrup Copenhagen
37h 33m
2 stops
DCA7:48 pmWashington, D.C. Reagan-National
$746
United Airlines
Aug 19
DCA1:00 pmWashington, D.C. Reagan-National
16h 55m
2 stops
CPH11:55 amKastrup Copenhagen
Aug 24
CPH12:15 pmKastrup Copenhagen
37h 33m
2 stops
DCA7:48 pmWashington, D.C. Reagan-National
$750
United Airlines
Aug 9
DCA4:20 pmWashington, D.C. Reagan-National
10h 35m
1 stop
CPH8:55 amKastrup Copenhagen
Aug 19
CPH12:15 pmKastrup Copenhagen
15h 33m
1 stop
DCA9:48 pmWashington, D.C. Reagan-National
$754

Scandinavian Airlines flights from Washington, D.C. Reagan-National Airport to Copenhagen

Our best Scandinavian Airlines deals on Washington, D.C. Reagan-National Airport to Copenhagen flight tickets
Scandinavian Airlines
Jun 3
DCA6:09 amWashington, D.C. Reagan-National
18h 51m
2 stops
CPH7:00 amKastrup Copenhagen
Jun 10
CPH2:20 pmKastrup Copenhagen
15h 01m
1 stop
DCA11:21 pmWashington, D.C. Reagan-National
$756
Scandinavian Airlines
Jun 3
DCA6:09 amWashington, D.C. Reagan-National
18h 51m
2 stops
CPH7:00 amKastrup Copenhagen
Jun 10
CPH2:20 pmKastrup Copenhagen
15h 01m
1 stop
DCA11:21 pmWashington, D.C. Reagan-National
$757
Scandinavian Airlines
Jun 3
DCA11:55 amWashington, D.C. Reagan-National
13h 05m
1 stop
CPH7:00 amKastrup Copenhagen
Jun 10
CPH2:20 pmKastrup Copenhagen
15h 01m
1 stop
DCA11:21 pmWashington, D.C. Reagan-National
$760

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 5/11

6:00 am-2:10 pm

2 stops26h 10m

Kastrup Copenhagen

Wed 5/13

6:00 am-9:55 pm

2 stops21h 55m

$735

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 8/19

11:00 am-10:50 am

1 stop17h 50m

Kastrup Copenhagen

Mon 8/24

12:15 pm-7:48 pm

2 stops37h 33m

$746

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 8/19

1:00 pm-11:55 am

2 stops16h 55m

Kastrup Copenhagen

Mon 8/24

12:15 pm-7:48 pm

2 stops37h 33m

$750

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 10/12

12:40 pm-10:50 am

2 stops16h 10m

Kastrup Copenhagen

Mon 10/19

1:55 pm-10:57 pm

2 stops15h 02m

$752

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 10/7

11:00 am-10:50 am

1 stop17h 50m

Kastrup Copenhagen

Wed 10/14

1:55 pm-10:57 pm

2 stops15h 02m

$753
Quickest round-trip

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sun 8/9

4:20 pm-8:55 am

1 stop10h 35m

Kastrup Copenhagen

Wed 8/19

12:15 pm-9:48 pm

1 stop15h 33m

$754

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sat 8/8

12:40 pm-8:55 am

2 stops38h 15m

Kastrup Copenhagen

Sat 8/22

12:15 pm-12:00 pm

2 stops29h 45m

$755

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Wed 6/3

6:09 am-7:00 am

2 stops18h 51m

Kastrup Copenhagen

Wed 6/10

2:20 pm-11:21 pm

1 stop15h 01m

$756

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Mon 8/10

11:00 am-10:50 am

1 stop17h 50m

Kastrup Copenhagen

Fri 8/21

12:15 pm-9:48 pm

1 stop15h 33m

$759

Washington, D.C.Copenhagen

DCA - CPH

DCACPH

Washington, D.C. Reagan-National

Sat 8/8

6:59 am-10:50 am

1 stop21h 51m

Kastrup Copenhagen

Sat 8/22

12:15 pm-12:00 pm

2 stops29h 45m

$760

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Copenhagen from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Copenhagen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Copenhagen?

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Washington, D.C. Reagan-National Airport is in November. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Copenhagen is on a Tuesday when prices can be found for as low as $616. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to Copenhagen for around $692.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from Washington, D.C. Reagan-National Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $479 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $650. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Reagan-National Airport to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Copenhagen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Copenhagen (DCA to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Copenhagen

Fastest flight time

10h 35m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Copenhagen takes 10h 35m
There are no direct flights from Washington, D.C. Reagan-National Airport to Copenhagen. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Copenhagen.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Copenhagen

  • How far is Washington, D.C. Reagan-National to Kastrup Copenhagen by plane?

    There are 4046.3 mi between Washington, D.C. Reagan-National and Kastrup Copenhagen. A reasonable flight in good conditions will take 10h 35m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Kastrup Copenhagen Airport.

  • What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

    The travel and health documents you'll need for your trip to Kastrup Copenhagen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kastrup Copenhagen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup
Roskilde

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Copenhagen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Copenhagen for you.

Can I find flights from Washington, D.C. to Copenhagen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Copenhagen flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Copenhagen?

Once all potential Washington, D.C. to Copenhagen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Copenhagen right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Copenhagen flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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